i) ColdFusion https://www.youtube.com/user/coldfustion
ii) Curious Elephant https://www.youtube.com/channel/UCZUlf2TKB8vATuo5-s1N-5Q
iii) Business Insider https://www.youtube.com/user/businessinsider
iv) Tech Insider
https://www.youtube.com/channel/UCVLZmDKeT-mV4H3ToYXIFYg